unscheduled
un-sched-uled
adjective
Not planned or arranged to happen at a particular, pre-determined time.
"The train made an unscheduled stop at a small station."
Thesaurus
Synonyms: special, extra, forced
Antonyms: scheduled
un-sched-uled
Not planned or arranged to happen at a particular, pre-determined time.
"The train made an unscheduled stop at a small station."
Synonyms: special, extra, forced
Antonyms: scheduled